# NutrientOS vs BarbellBeat

The clearest difference is in-app purchases: BarbellBeat at none against NutrientOS's 2. BarbellBeat also leads on update cadence (every 4 days vs fortnightly). NutrientOS's advantage is iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. NutrientOS sells 2 in-app purchases, starting at $7.99 per month. BarbellBeat asks for nothing beyond the download.

NutrientOS ships an update fortnightly, BarbellBeat every 4 days. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | NutrientOS | BarbellBeat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nutrientos-calorie-tracker/id6765582312/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Jeremiyah Escobedo](https://appshunter.io/developer/1895999641) | [Tayon Kim](https://appshunter.io/developer/1896284997) |

## What reviewers say

### NutrientOS

[App page](https://appshunter.io/ios/app/nutrientos-calorie-tracker/id6765582312)

Track your nutrition, understand your meals, and build healthier habits with food logging, macro and micronutrient tracking, and workout logging. Optional AI tools offer advanced guidance and insights for personalized wellness.

**Highlights:** Food diary with calories, macros, and micronutrients, Barcode and food search, Restaurant menu browsing, Fitness, hydration, and sleep tracking, AI meal scan, AI Coach for guidance, AI recipe builder

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atlas Pro Monthly | $7.99 | per month |
| Atlas Premium Monthly | $12.99 | per month |


### BarbellBeat

[App page](https://appshunter.io/ios/app/barbellbeat/id6766400421)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NutrientOS free?

NutrientOS is free to download, with in-app purchases available.

### Is BarbellBeat free?

BarbellBeat is free to download, with no in-app purchases.

### Do NutrientOS or BarbellBeat have ads?

Neither NutrientOS nor BarbellBeat shows ads.

### Which is updated more often, NutrientOS or BarbellBeat?

NutrientOS ships an update fortnightly, and BarbellBeat every 4 days. Most recently, NutrientOS was updated on October 6, 2026 and BarbellBeat on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*